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KP4RS

Active2x2District 4

Competitive callsign — 4 applications filed with the FCC.

License HolderRODRIGUEZ COLON, SANTOS J

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationMOCA, PR

Grant DateFeb 21, 2024

Expiration DateFeb 21, 2034

KP4RS is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by RODRIGUEZ COLON, SANTOS J in MOCA, PR. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Santiago Rivera, Ramon E on Sep 17, 2021. KP4RS has 14 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- .--. ....- .-. ...

CW Weight: 30 units(Light (fast to send))

Voice Phonetics

Kilo Papa Four Romeo Sierra

Readability: 7/10(Good readability)

License History

License RenewedFeb 21, 2024
Vanity Callsign GrantedNov 9, 2013
License IssuedNov 9, 2013
License CanceledJul 15, 2011
License IssuedApr 22, 2011
Vanity Callsign GrantedApr 22, 2011
License CanceledMay 21, 2010
Administrative Update AppliedOct 27, 2009
Administrative Update AppliedOct 21, 2008
Administrative Update AppliedMar 21, 2007
Administrative Update AppliedAug 7, 2003
Administrative Update Applied

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Santiago Rivera, Ramon EFiled Sep 17, 2021
Not awardedFCC ↗
RODRIGUEZ COLON, SANTOS JFiled Oct 22, 2013
Not awardedFCC ↗
RODRIGUEZ JR, JoseAntonioFiled Feb 14, 2012
DismissedFCC ↗
RODRIGUEZ JR, JoseAntonioFiled Apr 4, 2011

Search external databases

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Explore nearby callsigns

← KP4RR KP4RT →

FCC data as of Sep 3, 2026

Mar 28, 2001

License RenewedMar 23, 2001

License ModifiedMay 25, 2000

Not awardedFCC ↗

KP4RS FCC Vanity Status: 4 Competing Applications & History